Question: Test-pipe,headers,y-pipe combo help!
Thats right , i own a 2006 base manual and im about to install headers (shorty), test pipe, and a y pipe...on a stock y-pipe back .what can i expect as far as gain goes???
Question is for those who have similar mods on their Z,
Thanks for your help guys.
Question is for those who have similar mods on their Z,
Thanks for your help guys.




